statistics MCQs – Page 54

Practise multiple-choice questions from statistics for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

statistics Mcqs

1. sample linear regression 2. normal distribution 3. presentation of data 4. statistical inference 5. measures of location 6. basic statistics 7. correlation and regression 8. sampling 9. binomial and hyper geometric probability 10. index number 11. hypothesis testing 12. measures of dispersion

1061. Statistics Laws are true________________?
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A. In each case

B. Average

C. Facts

D. Field

1062. Life of a T.V picture tube is a:___________?
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A. Qualitative variable

B. Constant

C. Continuous variable

D. Discrete variable

1063. In statistics, conducting a survey means_____________?
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A. Drawing graphs and pictures

B. Making mathematical calculations

C. None of the above

D. Collecting information from elements

1064. The number of accidents in a city during 2012 is____________?
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A. Constant

B. Continuous variable

C. Discrete variable

D. Qualitative variable

1065. The calculation of mean and variance is based on______________?
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A. Extreme values only

B. All values

C. Small values only

D. Large values only

1066. The height of a student is 60 inches. This is an example of________________?
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A. Qualitative data

B. Discrete data

C. Categorical data

D. Continuous data

1067. Which of these represent qualitative data______________?
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A. Liking or disliking of (500) persons of a product

B. Height of a student

C. Income of a government servant in a city

D. Yield from a wheat plot

1068. Which of the following is not based on all the observations ?
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A. Geometric Mean

B. Mode

C. Weighted Mean

D. Arithmetic Mean

E. Harmonic Mean

1069. The Harmonic Mean of any two numbers is________________?
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A. a+b

B. ab???

C. a+b2

D. 2aba+b

1070. If a distribution is abnormally tall and peaked, then is can be said that the distribution is_____________?
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A. Pyrokurtic

B. Mesokurtic

C. Platykurtic

D. Leptokurtic

1071. Founder of statistics is_________?
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A. Karl pearson

B. Neyman

C. Smith

D. R A Fisher

1072. Lowest value of variance can be________________?
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A. 1

B. 3

C. 0

D. -1

E. -3

1073. Most of the recent developments in statistics arose to meet the needs of ____________?
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A. Three reasons

B. Biology

C. Hands

D. Physics

1074. Standard deviation is calculated from the Harmonic Mean (HM) ________________?
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A. Sometimes

B. Always

C. Never

D. None of these

1075. Which of the following divides a group of data into four subgroups?
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A. Deciles

B. Standard Deviation

C. Quartiles

D. Median

E. Percentiles

1076. Statistics has handicap dealing with_____________?
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A. Constant

B. Quantitative data

C. Qualitative data

D. Variable

1077. A parameter is a measure which is computed from___________?
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A. None of these

B. Sample data

C. Population data

D. Test statistics

1078. A numerical value calculated from sample is called____________?
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A. Economics

B. Statistic

C. Mathematics

D. None of these

1079. _________ statistics deals with collection, presentation and analysis of data?
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A. Descriptive

B. Collection

C. Inferential

D. Two

1080. For a certain distribution if ?(x?2)=18,?(x?24)=0,?(x?28)=?24) then arithmetic mean is_______________?
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A. 28

B. 24

C. 21

D. 0

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